The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 30, 2019
Filed:
May. 22, 2017
Hisense Co., Ltd., Qingdao, CN;
Fei Zhao, Qingdao, CN;
Hisense Co., Ltd., Qingdao, CN;
Hisense USA Corporation, Suwanee, GA (US);
Hisense International Co., Ltd., Qingdao, CN;
Abstract
A rear-projection display system and a rear-projection screen are provided. The system includes a projector, N light path turning systems, and a rear-projection screen, wherein the rear-projection screen includes a collimation lens layer including a target region and a Fresnel lens region; the projector is configured to emit first projected light which is incident directly onto the Fresnel lens region, and emit second projected light which is incident onto the N light path turning system; and the N light path turning systems are configured to receive the second projected light from the projector, and to have the second projected light incident onto the target region at a first angle less than the emitting angle of the second projected light.